Malicious PDF — malware analysis report

Static analysis result for SHA-256 a72e32068e13fa2a…

MALICIOUS

PDF

32.6 KB Created: 2019-12-13 20:19:45 +03:00 Authoring application: Acrobat PDFMaker 9.1 для Word (via Adobe PDF Library 9.0)
MD5: 37be3da13b006505c8d7bfd33de45db9 SHA-1: e6a6688d454a75f161eed0aa34c5c1e89ccad6a8 SHA-256: a72e32068e13fa2a463c7436b2b7b68e3ac43f580bcf920efde89948bcb34b7b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to redirect users to malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8529

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.gorillawalker.com/stencil-101-d-cor-customize-walls-floors-and-furniture-with.pdf
    • http://www.gorillawalker.com/john-williamson-nevin-american-theologian-religion-in-america.pdf
    • http://www.gorillawalker.com/alcatraz-the-story-behind-the-scenery-english-and-german-edition.pdf
    • http://www.gorillawalker.com/handwriting-cursive-uppercase-letters-colour-dots-the-alphabet-learning-method.pdf
    • http://www.gorillawalker.com/antibacterial-chemotherapy-theory-problems-and-practice-oxford-infectious-diseases-library.pdf
    • http://www.gorillawalker.com/ethics-deductions-common-sense.pdf
    • http://www.gorillawalker.com/international-economics-9th-edition-the-pearson-series-in-economics.pdf
    • http://www.gorillawalker.com/soft-errors-from-particles-to-circuits-devices-circuits-and-systems.pdf
    • http://www.gorillawalker.com/first-time-gay-erotica-stories-gay-romance-collection-unlimited-gay.pdf
    • http://www.gorillawalker.com/lupus-recovery-diet-the-natural-lupus-recovery-solution-recover-from.pdf
    • http://www.gorillawalker.com/ecstatic-kabbalah.pdf
    • http://www.gorillawalker.com/the-invention-of-the-moving-assembly-line-milestones-in-american.pdf
    • http://www.gorillawalker.com/discovering-old-board-games-discovering.pdf
    • http://www.gorillawalker.com/mastering-clojure-macros-write-cleaner-faster-smarter-code-kindle-edition.pdf
    • http://www.gorillawalker.com/cargill-going-global.pdf
    • http://www.gorillawalker.com/we-visit-libya-your-land-and-my-land-africa.pdf
    • http://www.gorillawalker.com/all-blues-scale-for-jazz-guitar-book-and-cd-set.pdf
    • http://www.gorillawalker.com/the-basics-writing.pdf
    • http://www.gorillawalker.com/charles-spurgeon-the-prince-of-preachers-heroes-of-the-faith.pdf
    • http://www.gorillawalker.com/fool-s-gold-the-fate-of-values-in-a-world.pdf
    • http://www.gorillawalker.com/biscuits-pancakes-and-quick-breads-120-recipes-to-make-in.pdf
    • http://www.gorillawalker.com/frommer-s-new-york-city-98.pdf
    • http://www.gorillawalker.com/the-poet-and-the-diplomat-the-correspondence-of-dag-hammarskj.pdf
    • http://www.gorillawalker.com/commentary-vol-92-no-5-november-1991.pdf
    • http://www.gorillawalker.com/turning-patterns-into-profits-with-harmonic-trading-collection-kindle-edition.pdf
    • http://www.gorillawalker.com/quality-software-management-anticipating-change.pdf
    • http://www.gorillawalker.com/transuranium-elements-products-of-modern-alchemy-benchmark-papers-in-physical.pdf
    • http://www.gorillawalker.com/small-blessings-perpetual-calendar-hope-and-encouragement-for-each-day.pdf
    • http://www.gorillawalker.com/study-guide-for-miller-vanhoose-s-money-banking-and-financial.pdf
    • http://www.gorillawalker.com/adsl-and-dsl-technologies-mcgraw-hill-series-on-computer-communications.pdf
    • http://www.gorillawalker.com/a-history-of-psychology-ideas-context-5th-edition.pdf
    • http://www.gorillawalker.com/advanced-nutrition-human-metabolism-4th-edition.pdf
    • http://www.gorillawalker.com/niacin-therapy-in-psychiatry-american-lecture-series.pdf
    • http://www.gorillawalker.com/city-of-walls-crime-segregation-and-citizenship-in-s-o.pdf
    • http://www.gorillawalker.com/chick-tock-happy-pops.pdf
    • http://www.gorillawalker.com/acupuncture-trigger-points-and-musculoskeletal-pain-3e-acupuncture-trigger-points.pdf
    • http://www.gorillawalker.com/digital-filter-designer-s-handbook-with-c-algorithms.pdf
    • http://www.gorillawalker.com/mass-media-law-print-replica-kindle-edition.pdf
    • http://www.gorillawalker.com/london-paris-rome-the-best-in-sightseeing-antiques-and-flea.pdf
    • http://www.gorillawalker.com/historical-atlas-of-religion-in-america.pdf
    • http://www.gorillawalker.com/ecstatic-k
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

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